Patents by Inventor Keisuke Nakayama
Keisuke Nakayama has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 7425399Abstract: There is provided a composition for forming anti-reflective coating for anti-reflective coating that has a good absorption of light at a wavelength utilized for manufacturing a semiconductor device, that exerts a high protection effect against light reflection, that has a high dry etching rate compared with the photoresist layer. Concretely, the composition for forming anti-reflective coating contains a triazine trione compound, oligomer compound or polymer compound having hydroxyalkyl structure as substituent on nitrogen atom.Type: GrantFiled: October 8, 2003Date of Patent: September 16, 2008Assignee: Nissan Chemical Industries, Ltd.Inventors: Takahiro Kishioka, Ken-ichi Mizusawa, Tomoyuki Enomoto, Rikimaru Sakamoto, Keisuke Nakayama, Yasuo Kawamura
-
Publication number: 20080206680Abstract: There is provided a composition for forming anti-reflective coating for anti-reflective coating that has a good absorption of light at a wavelength utilized for manufacturing a semiconductor device, that exerts a high protection effect against light reflection, that has a high dry etching rate compared with the photoresist layer. Concretely, the composition for forming anti-reflective coating contains a triazine trione compound, oligomer compound or polymer compound having hydroxyalkyl structure as substituent on nitrogen atom.Type: ApplicationFiled: November 2, 2007Publication date: August 28, 2008Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Takahiro Kishioka, Ken-ichi Mizusawa, Tomoyuki Enomoto, Rikimaru Sakamoto, Keisuke Nakayama, Yasuo Kawamura
-
Publication number: 20080118870Abstract: There is provided an anti-reflective coating forming composition for lithography comprising a reaction product obtained by reacting a sulfur-containing compound having thiourea structure with a nitrogen-containing compound having two or more nitrogen atoms substituted with a hydroxymethyl group or an alkoxymethyl group in the presence of an acid catalyst and a solvent. The anti-reflective coating obtained from the composition has a high preventive effect for reflected light, causes no intermixing with photoresists, has a higher dry etching rate compared with photoresists and can use in lithography process for manufacturing semiconductor device.Type: ApplicationFiled: September 27, 2005Publication date: May 22, 2008Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Tomoyuki Enomoto, Yoshiomi Hiroi, Keisuke Nakayama
-
Patent number: 7266695Abstract: The present invention provides a data updating method and a data updating system, which can update data of an IC card through a network without mistaking the IC card targeted for updating. When each of issuer client authentication, personal authentication, issuer server authentication and device authentication is performed, a server transmits update data encrypted by a public key used for the device authentication to a client. Then, the client outputs the encrypted update data to an IC card. In the IC card, the update data is decrypted by a secret key used for the device authentication. Based on the decrypted update data, rewriting is carried out in the IC card.Type: GrantFiled: May 14, 2003Date of Patent: September 4, 2007Assignee: Systemneeds, Inc.Inventor: Keisuke Nakayama
-
Patent number: 7174321Abstract: The present invention is to provide a memory rental service system in an intelligent authentication unit, the system allowing an application operating entity to set up or change any application freely and easily at a reduced cost of operating the application. In other words, the system is to separately lease one or more specific areas of a memory in the intelligent authentication unit (IAU) for independently authenticating personal identification such as fingerprints, to one or more operators who operate specific applications. A write API distributed to the operator is used to write the contents such as data or a program written in a specific area, while a read/write API is used to authenticate personal identification so as to read the written contents such as the data or program stored in the specific area and operate the application specified by the APL.Type: GrantFiled: July 18, 2005Date of Patent: February 6, 2007Assignee: Systemneeds Inc.Inventor: Keisuke Nakayama
-
Publication number: 20060195802Abstract: There are provided a screensaver displaying method and an information processing system in which characters arbitrarily selected or input by a user can be displayed with a simple operation during starting of a screensaver in the screensaver started at a time when an IC card or the like is pulled out. In the screensaver displaying method and the information processing system in which a computer is usable, while a user authentication device such as the IC card is set in a card reader and writer, and a screensaver screen is displayed and input into the computer cannot be performed, when the IC card or the like is pulled out and the user authentication device is not recognized, a control section of a processing device displays character contents set corresponding to a specific key in the screensaver screen of a display unit, when the specific key is pressed within a specific time after the IC card is pulled out.Type: ApplicationFiled: February 6, 2006Publication date: August 31, 2006Inventor: Keisuke Nakayama
-
Publication number: 20060137737Abstract: The present invention provide an all solid-state photoelectric conversion device which comprises a semiconductor, an electrically conductive substrate arranged on one surface of the semiconductor and forming an ohmic junction therewith, an electrically conductive film arranged on the other surface and forming a Schottky junction with the semiconductor, and a sensitizing dye layer arranged on the electrically conductive film, the roughness factor of the surface of the semiconductor forming a Schottky junction being 5 or greater. The photoelectric conversion device has a large effective surface area and a high durability and can be manufactured at a low cost.Type: ApplicationFiled: February 27, 2006Publication date: June 29, 2006Inventors: Keisuke Nakayama, Yoshinori Nishikitani
-
Patent number: 7038328Abstract: The present invention relates to an anti-reflective coating composition characterized by comprising a resin made from triazine compounds having at least two nitrogen atoms substituted a hydroxymethyl group and/or an alkoxymethyl group, and a light absorbing compound and/or a light absorbing resin. The present invention offers an anti-reflective coating composition for the anti-reflective coating having high light absorption property of the light used for the lithography process in the preparation of semiconductor device, showing high reflective light preventing effect, being used at thinner film thickness more than before, and having greater dry etching rate in comparison to photoresist layer.Type: GrantFiled: October 15, 2002Date of Patent: May 2, 2006Assignee: Brewer Science Inc.Inventors: Tomoyuki Enomoto, Keisuke Nakayama, Rama Puligadda
-
Publication number: 20060004673Abstract: The present invention is to provide a memory rental service system in an intelligent authentication unit, the system allowing an application operating entity to set up or change any application freely and easily at a reduced cost of operating the application. In other words, the system is to separately lease one or more specific areas of a memory in the intelligent authentication unit (IAU) for independently authenticating personal identification such as fingerprints, to one or more operators who operate specific applications. A write API distributed to the operator is used to write the contents such as data or a program written in a specific area, while a read/write API is used to authenticate personal identification so as to read the written contents such as the data or program stored in the specific area and operate the application specified by the APL.Type: ApplicationFiled: July 18, 2005Publication date: January 5, 2006Inventor: Keisuke Nakayama
-
Patent number: 6938020Abstract: The present invention is to provide a memory rental service system in an intelligent authentication unit, the system allowing an application operating entity to setup or change any application freely and easily at a reduced cost of operating the application. In other words, the system is to separately lease one or more specific areas of a memory in the intelligent authentication unit (IAU) for independently authenticating personal identification such as fingerprints, to one or more operators who operate specific applications. A write API distributed to the operator is used to write the contents such as data or a program written in a specific area, while a read/write API is used to authenticate personal identification so as to read the written contents such as the data or program stored in the specific area and operate the application specified by the APL.Type: GrantFiled: August 15, 2002Date of Patent: August 30, 2005Assignee: Systemneeds Inc.Inventor: Keisuke Nakayama
-
Publication number: 20050175927Abstract: There is provided a composition for forming anti-reflective coating containing a urea compound substituted by hydroxyalkyl group or alkoxyalkyl group, and preferably a light absorbing compound and/or a light absorbing resin; a method of forming a anti-reflective coating for a semiconductor device by use of the composition; and a process for manufacturing a semiconductor device by use of the composition. The composition according to the present invention exhibits a good light-absorption to a light having a wavelength used for manufacturing a semiconductor device. Therefore, the composition exerts a high protection effect against light reflection, and has a high dry etching rate compared with photoresist layers.Type: ApplicationFiled: July 11, 2003Publication date: August 11, 2005Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Takahiro Kishioka, Shinya Arase, Ken-ichi Mizusawa, Keisuke Nakayama
-
Publication number: 20050086497Abstract: An IC card system capable of increasing a storage capacity virtually and flexibly while making the best use of characteristics of the IC card, facilitating file layout, and ensuring security among applications. With personal common information (data A) and virtual area management information (access keys, encryption/decryption keys, and information indicating encrypted data file location) stored in the IC card, an application executed by a control unit of a processor loads the data A in a memory, acquires the encryption/decryption key corresponding to the retained access key and the information indicating the encrypted data file location from the IC card, reads encrypted data B? from the acquired data file location, decrypts the acquired encryption/decryption key, and loads the data B in the memory for using the data.Type: ApplicationFiled: October 14, 2004Publication date: April 21, 2005Inventor: Keisuke Nakayama
-
Publication number: 20040072420Abstract: The present invention relates to an anti-reflective coating composition characterized by comprising a resin made from triazine compounds having at least two nitrogen atoms substituted a hydroxymethyl group and/or an alkoxymethyl group, and a light absorbing compound and/or a light absorbing resin. The present invention offers an anti-reflective coating composition for the anti-reflective coating having high light absorption property of the light used for the lithography process in the preparation of semiconductor device, showing high reflective light preventing effect, being used at thinner film thickness more than before, and having greater dry etching rate in comparison to photoresist layer.Type: ApplicationFiled: October 15, 2002Publication date: April 15, 2004Applicant: Brewer Science, IncInventors: Tomoyuki Enomoto, Keisuke Nakayama, Rama Puligadda
-
Publication number: 20030217270Abstract: The present invention provides a data updating method and a data updating system which can update data of an IC card through a network without mistaking the IC card targeted for updating. When each of issuer client authentication, personal authentication, issuer server authentication and device authentication is performed, a server transmits update data encrypted by a public key used for the device authentication to a client. Then, the client outputs the encrypted update data to an IC card. In the IC card, the update data is decrypted by a secret key used for the device authentication. Based on the decrypted update data, rewriting is carried out in the IC card.Type: ApplicationFiled: May 14, 2003Publication date: November 20, 2003Inventor: Keisuke Nakayama
-
Publication number: 20030070940Abstract: A method for purifying water characterized in that a chamber is separated by a diaphragm into an anode section and a cathode section, a voltage is applied between the anode and the cathode while an oxygen-containing gas is supplied to the cathode section so as to generate a hypohaloric acid and hydrogen peroxide in the anode and cathode sections, respectively, and the water to be treated is first supplied to the anode section to be contacted with the hypohaloric acid and is then introduced to the cathode section to be contacted with the hydrogen peroxide.Type: ApplicationFiled: October 25, 2002Publication date: April 17, 2003Applicant: NIPPON OIL CORPORATIONInventors: Takayuki Hirayama, Keisuke Nakayama, Yoshiyuki Shimo, Haruyoshi Mizuta
-
Publication number: 20030046571Abstract: The present invention provides a self-decoding type encrypted file which can be decoded with encrypted data received from a transmitting side even when a receiving side has no decoding software, and its utilization method. According to the self-decoding type encrypted file and the utilization method thereof, the self-decoding type encrypted file is generated which integrally retains a decoding execution program for decoding the encrypted information together with encrypted data; the file is transmitted from a transmitting side PC; and on a receiving side PC, legal personal identification information is entered, whereby the encrypted data associated with the self-decoding execution program is decoded to extract data. Therefore, even when a decoding program is not installed in the receiving side PC, the encrypted data can be decoded by the self-decoding execution program retained integrally with the encrypted information.Type: ApplicationFiled: August 28, 2002Publication date: March 6, 2003Inventor: Keisuke Nakayama
-
Publication number: 20030037011Abstract: The present invention is to provide a memory rental service system in an intelligent authentication unit, the system allowing an application operating entity to setup or change any application freely and easily at a reduced cost of operating the application. In other words, the system is to separately lease one or more specific areas of a memory in the intelligent authentication unit (IAU) for independently authenticating personal identification such as fingerprints, to one or more operators who operate specific applications. A write API distributed to the operator is used to write the contents such as data or a program written in a specific area, while a read/write API is used to authenticate personal identification so as to read the written contents such as the data or program stored in the specific area and operate the application specified by the APL.Type: ApplicationFiled: August 15, 2002Publication date: February 20, 2003Inventor: Keisuke Nakayama
-
Publication number: 20030014652Abstract: The present invention provides a licensing method and a license providing system which can easily perform licensing and payment with improved security. The present invention is authenticated by authenticating his fingerprint using a user authentication module, a result of which authentication is decided by an authentication service station server using a public key which corresponds to an identifier of this user authentication module, which module is then provided with license information so that the license information of an apparatus mounted with this module may be referenced and also that based on the identifier of the module, a product number, and information of a payment information a payment method employed at the payment agency may be specified to help support payment.Type: ApplicationFiled: July 9, 2002Publication date: January 16, 2003Inventor: Keisuke Nakayama
-
Publication number: 20020188855Abstract: The present invention provides a fingerprint authentication unit and an authentication system which can use one apparatus having a fingerprint collation function to thereby manage and operate a plurality of types of apparatuses or applications. By the fingerprint authentication unit, fingerprint data of a plurality of fingers of the same person is registered and stored in an IC card section, so that a collation control section compares and collates fingerprint data detected by a fingerprint sensor with the registered fingerprint data at a requested collation level corresponding to a security level of the application and, when the user is authenticated, a common control section obtains from a FACCT a key necessary to access a file which stores therein data to be output corresponding to the contents of the application, which key is in turn decrypted with an encryption key of a MF at an IC Card CPU and used to authorize access to the file in order to the data in this file to the application.Type: ApplicationFiled: June 5, 2002Publication date: December 12, 2002Inventors: Keisuke Nakayama, Kazuhisa Matsuda
-
Patent number: D540320Type: GrantFiled: December 23, 2005Date of Patent: April 10, 2007Assignee: Hitachi, Ltd.Inventors: Hiroyuki Noda, Yoko Sato, Tadahiro Yamaguchi, Koji Suso, Kazuyuki Fukushima, Keisuke Nakayama